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Messages 1684 - 1713 of 2535   Oldest  |  < Older  |  Newer >  |  Newest
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1684
Using a drill chuck for a electrode holder is going to be a real PITA for you guys that build by the book! To burn out a broken tap or drill a hole in a...
cary heestand
packrat0_15
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Mar 1, 2008
5:11 pm
1685
Whats a "trode"???????????? Brian....
Brian Fairey
bfairey
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Mar 1, 2008
9:44 pm
1686
It's an electrode with no elec applied. Donald. ... [snip]...
Donald H Locker
dhlocker
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Mar 1, 2008
10:14 pm
1687
Actually I have two of them set up to work. I am still tinkering with them though. The first one it did with my own Printed circuit board I made the second I...
D Ray East
drayegon
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Mar 1, 2008
10:23 pm
1688
So if you dont apply any "elect" to the trode you dont get any sparks? Brian....
Brian Fairey
bfairey
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Mar 1, 2008
10:26 pm
1689
What Pulse Book??? 73 dray...
D Ray East
drayegon
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Mar 1, 2008
10:29 pm
1690
Strictly lurking until the workshop is built !! Neat stuff, though....
thorthesailor
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Mar 1, 2008
11:40 pm
1691
You got it! I think you also need the dielect (ric) part, or the sparks don't do a lot of good. HTH, Donald....
Donald H Locker
dhlocker
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Mar 1, 2008
11:52 pm
1692
In the real world of EDM most people just call the ELECTRODE a TRODE. as in this job/burn needs to be a 5 trode burn. cary ... PITA ... (I ... this)It ... ...
cary heestand
packrat0_15
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Mar 2, 2008
12:36 am
1693
I know this topic was brought up a long time ago, but at that time ,I could not come up with a easy solution to it. Then today I came across this:...
cary heestand
packrat0_15
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Mar 2, 2008
1:10 am
1694
Funny you mentioned that Cary I am building a unit for my State Farm Insurance agent. The cost for the tank is $8.95 and the Stainless steel pump cost $19.95...
D Ray East
drayegon
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Mar 2, 2008
4:42 am
1695
Brian I didn't even see they were running or even with a party I am still not going to vote for one of them no matter. 73 dray...
D Ray East
drayegon
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Mar 2, 2008
4:47 am
1696
Using groundup graphite and super glue you can build just about any type of electrode you would like. Same thing with Copper and brass. Simply carve out the...
D Ray East
drayegon
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Mar 2, 2008
6:32 am
1697
I'm interested. What sort of ratio do you need to maintain between the graphite and the glue to get proper conductivity? How does the presence of the acrylic...
Pierre Coueffin
darkblood_
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Mar 2, 2008
7:08 am
1698
Yeah, I have two 20 pound ABC extinguishers in the shop as I do some welding and cutting and light fabrication. If the fiberglass/ plastic tank is such a good...
cary heestand
packrat0_15
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Mar 2, 2008
9:05 pm
1699
... Because real EDM machines have dismantleable tanks, for access while setting up. Its easier to do that in metal than fibreglass. Steve...
steveastrouk
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Mar 2, 2008
9:30 pm
1700
Cary, how many fires from EDM have you put out? and what caused the fires? remember no oxygen no fire. Brian....
Brian Fairey
bfairey
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Mar 2, 2008
9:47 pm
1701
I would add a cautionary note, here: there IS oxy at the surface of the kerosene. Do not alow the kero to get hot enough to flash. Jack ... fires?...
Jack
jacktarr68
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Mar 2, 2008
11:48 pm
1702
Cary, I think you bring up a valid point. We are dealing with a flamable liquid. Of course there are many reasons why the fluid should not catch fire, but...
joerocketxyz
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Mar 3, 2008
12:28 pm
1703
... and ... I've built the power supply and am now working on the servo head and tank. However, I do have to go back and "update" my power supply with Ben's ...
joerocketxyz
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Mar 3, 2008
12:32 pm
1704
I'm not Cary.... I've been using edm's since the 70's and not counting a few burps (where the shape of the electrode holds a pocket of air that gets mixed with...
Steve
steveroboman
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Mar 3, 2008
3:26 pm
1705
... fires? ... brian- ---- I cant' tell you exactly how many but quite a few in the years I ran EDM and I saw many, many more than I was involved in. Our ...
cary heestand
packrat0_15
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Mar 3, 2008
4:37 pm
1706
What I don't like about plastics is their tendency to absorb kerosene. As far as I know, fibreglas is not going to absorb hydrocarbons and, of course, neither...
Jerry Kimberlin
jkimberln
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Mar 3, 2008
4:48 pm
1707
Hi Dray, I was checking out the photo's as I like to do often to pick up ideas and stuff. I noticed on your board, I'm pretty sure you stuck the 12 volt...
Jim
jimmy163333
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Mar 3, 2008
5:28 pm
1708
Hi Ben, Before the update came out, I was thinking of increasing C-5 to a larger size that would still fit. Even after the update I still figured more...
Jim
jimmy163333
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Mar 3, 2008
6:27 pm
1709
One more thing I meant to mention is you need to add the heat sink to the servo driver IC. They also have a special tool to remove the IC without damaging it....
James Sterner
jimmy163333
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Mar 3, 2008
6:44 pm
1710
This may be a dumb question but why do sinkers use such different dielectric fluids as wire edms?...
carbons4
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Mar 3, 2008
7:16 pm
1711
Americans also but the shipping is higher. I have 2 Barber Coleman motors that are surplus to my requirements, your for the cost of shipping. EYQE-73600-30-1...
Brian Fairey
bfairey
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Mar 3, 2008
7:28 pm
1712
Warning: This discussion contains "engineer speak" and may be confusing. ... Beware of overkill, sometimes what LOOKS like overkill can hurt performance. ... ...
David G. LeVine
sirdave144
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Mar 3, 2008
8:55 pm
1713
Thanks David, I kind of thought that capacitor (C-8) might have had that type of function (transient noise comes to mind) , I forgot the proper terminology, I...
James Sterner
jimmy163333
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Mar 4, 2008
2:22 am
Messages 1684 - 1713 of 2535   Oldest  |  < Older  |  Newer >  |  Newest
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